Home / 543,952.20-815,733.90-188,977.80

Finding the Fourth Proportional to 543,952.20, 815,733.90 and 188,977.80

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Solution

The fourth proportional to 543,952.20, 815,733.90 and 188,977.80 is: 283,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,952.20 : 815,733.90 = 188,977.80 : x
  2. Step 2: Convert to fraction form
    543,952.20/815,733.90 = 188,977.80/x
  3. Step 3: Cross multiply
    543,952.20x = 815,733.90 × 188,977.80
  4. Step 4: Simplify right side
    543,952.20x = 154,155,597,807.42
  5. Step 5: Solve for x
    x = 154,155,597,807.42/543,952.20
  6. Step 6: Final answer
    x = 283,399.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.